/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#include "pagespeed/kernel/base/signature.h"

#include "pagespeed/kernel/base/base64_util.h"
#include "pagespeed/kernel/base/string.h"
#include "pagespeed/kernel/base/string_util.h"

namespace net_instaweb {

Signature::Signature() {}

Signature::~Signature() {}

GoogleString Signature::Sign(StringPiece key, StringPiece data) const {
  GoogleString raw_signature = RawSign(key, data);
  GoogleString out;
  Web64Encode(raw_signature, &out);
  out.resize(SignatureSizeInChars());
  return out;
}

}  // namespace net_instaweb
